WANG Chi , YANG Fan , ZHANG Feng , HAN Lin , FAN Weiwei , WANG Haiming . Hot topics review of space science in 2019[J]. Science & Technology Review, 2020 , 38(3) : 135 -147 . DOI: 10.3981/j.issn.1000-7857.2020.03.011

[1] 国家自然科学基金委员会, 中国科学院. 未来10年中国学科发展战略——空间科学[M]. 北京:科学出版社, 2012.
[2] 国家自然科学基金委员会, 中国科学院. 中国学科发展战略——空间科学[M]. 北京:科学出版社, 2019.
[3] Event Horizon Telescope. Astronomers capture first image of a black hole[EB/OL]. (2019-10-04)[2019-12-31]. https://eventhorizontelescope.org/press-release-april-10-2019-astronomers-capture-first-image-black-hole.
[4] NASA. Black hole image makes history; NASA telescopes coordinated observations[EB/OL]. (2019-10-04)[2019-12-31]. https://www.nasa.gov/mission_pages/chandra/news/black-hole-image-makes-history.
[5] 科学网. 科学家终于见到了黑洞的"真身"[EB/OL]. (2019-10-04)[2019-12-31]. http://news.sciencenet.cn/htmlnews/2019/4/425039.shtm.
[6] NASA. Cloaked black hole discovered in early universe using NASA's Chandra[EB/OL]. (2019-08-09)[2019-12-31]. https://www.nasa.gov/mission_pages/chandra/news/cloaked-black-hole-discovered-in-early-universe-usingnasa-s-chandra.html.
[7] NASA. NASA's Fermi, Swift Missions enable a new era in gamma-ray science[EB/OL]. (2019-11-21)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/nasa-s-fermi-swift-missions-enable-a-new-era-in-gamma-rayscience.
[8] CALET Collaboration, Adriani O, Akaike Y, et al. Direct measurement of the cosmic-ray proton spectrum from 50 GeV to 10 TeV with the Calorimetric Electron Telescope on the International Space Station[J]. Physical Review Letters, 2019, 122(18):181102.
[9] Risaliti G, Lusso E. Cosmological constraints from the Hubble diagram of quasars at high redshifts[J]. Nature Astronomy, 2019, 3:272-277.
[10] NASA. NASA selects new mission to explore origins of universe[EB/OL]. (2019-02-14)[2019-12-31]. https://www.nasa.gov/press-release/nasa-selects-new-missionto-explore-origins-of-universe.
[11] Tsiaras A, Waldmann I P, Tinetti G, et al. Water vapour in the atmosphere of the habitable-zone eight-Earthmass planet K2-18 b[J]. Nature Astronomy, 2019, 3:1086-1091.
[12] Orosz J A, Welsh W F, Haghighipour N, et al. Discovery of a third transiting planet in the Kepler-47 circumbinary system[J]. The Astronomical Journal, 2019, 157(5):174.
[13] NASA. NASA's Moon to Mars Plans, Artemis Lunar Program gets fast tracked in 2019[EB/OL]. (2019-12-24)[2019-12-31]. https://www.nasa.gov/press-release/nasas-moon-to-mars-plans-artemis-lunar-program-getsfast-tracked-in-2019.
[14] NASA. Hubble observes 1st confirmed interstellar comet[EB/OL]. (2019-10-16)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/hubble-observes-1st-confirmed-interstellar-comet.
[15] NASA. NASA's Exoplanet-Hunting Mission catches a natural comet outburst in unprecedented detail[EB/OL]. (2019-12-04)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/nasa-s-exoplanet-hunting-mission-catches-a-natural-comet-outburst-in-unprecedented-detail.
[16] NASA. First NASA Parker Solar Probe results reveal surprising details about our Sun[EB/OL]. (2019-12-05)[2019-12-31]. https://www.nasa.gov/press-release/firstnasa-parker-solar-probe-results-reveal-surprising-details-about-our-sun.
[17] NASA. NASA's Parker Solar Probe sheds new light on the sun[EB/OL]. (2019-12-05)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/nasas-parker-solar-probe-sheds-new-light-on-the-sun/.
[18] Bale S D, Badman S T, Wygant J R. Highly structured slow solar wind emerging from an equatorial coronal hole[J]. Nature, 576(7786):237-242.
[19] Kasper J C, Bale S D, Schwadron N A. Alfvénic velocity spikes and rotational flows in the near-Sun solar wind[J]. Nature, 576(7786):228-231.
[20] Howard R A, Vourlidas A, Viall N M. Near-Sun observations of an F-corona decrease and K-corona fine structure[J]. Nature, 576(7786):232-236.
[21] NASA. NASA selects missions to study our Sun, its effects on space weather[EB/OL]. (2019-06-21)[2019-12-31]. https://www.nasa.gov/press-release/nasa-selects-missions-to-study-our-sun-its-effects-on-space-weather.
[22] NASA. NASA's MMS finds its 1st interplanetary shock[EB/OL]. (2019-08-08)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/nasa-s-mms-finds-first-interplanetary-shock.
[23] ESA. ESA gives go-ahead for Smile mission with China[EB/OL]. (2019-03-05)[2019-12-31]. http://www.esa.int/Our_Activities/Space_Science/ESA_gives_go-head_for_Smile_mission_with_China.
[24] NASA. NASA selects teams to study untouched Moon samples[EB/OL]. (2019-03-12)[2019-12-31]. https://www.nasa.gov/feature/nasa-selects-teams-to-study-untouched-moon-samples.
[25] NASA. The Moon and Mercury may have thick ice deposits[EB/OL]. (2019-08-03)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/moon-mercury-ice.
[26] NASA. New VIPER Lunar Rover to map water ice on the Moon[EB/OL]. (2019-10-25)[2019-12-31]. https://www.nasa.gov/feature/new-viper-lunar-rover-to-mapwater-ice-on-the-moon.
[27] ISRO. GSLV-Mk III-M1/Chandrayaan-2 Mission[EB/OL]. (2019-07-22)[2019-12-31]. https://www.isro.gov.in/launcher/gslv-mk-iii-m1-chandrayaan-2-mission.
[28] ISRO. CHANDRAYAAN 2 latest updates[EB/OL]. (2019-11-13)[2019-12-31]. https://www.isro.gov.in/chandrayaan2-latest-updates.
[29] The Indian Express. Four chosen for manned mission to space, Chandrayaan-3 in 2020 or 2021:ISRO[EB/OL]. (2020-01-02)[2020-01-02]. https://indianexpress.com/article/technology/science/chandrayaan-3-isro-gaganyaank-sivan-6195411/.
[30] NASA. NASA is aboard first private Moon landing attempt[EB/OL]. (2019-02-22)[2019-12-31]. https://www.nasa.gov/feature/goddard/2019/nasa-is-aboard-first-private-moon-landing-attempt.
[31] 陈芳, 胡喆. 中国成功实现人类探测器首次月背软着陆[EB/OL]. (2019-01-03)[2019-12-31]. http://www.xinhuanet.com/2019-01/03/c_1210029471.htm.
[32] 中国科学院国家天文台. 国家天文台基于嫦娥四号探测数据发现月球背面幔源物质初步证据[EB/OL]. (2019-05-16)[2019-12-31]. http://www.bao.ac.cn/xwzx/gdtpxw/201905/t20190516_5296199.html.
[33] 张代蕾, 金晶. 嫦娥四号任务团队获英国皇家航空学会2019年度团队金奖[EB/OL]. (2019-11-26)[2019-12-31]. http://www.xinhuanet.com//2019-11/26/c_11252776-34.htm.
[34] NASA. NASA's record-setting Opportunity rover mission on Mars comes to end[EB/OL]. (2019-02-14)[2019-12-31]. https://www.nasa.gov/press-release/nasas-record-setting-opportunity-rover-mission-on-mars-comes-toend.
[35] CNES. World first French seis instrument detects ‘marsquake’[EB/OL]. (2019-04-23)[2019-12-31]. https://presse.cnes.fr/en/world-first-french-seis-instrument-detects-marsquake.
[36] NASA. NASA's InSight Lander captures audio of first likely ‘quake’ on Mars[EB/OL]. (2019-04-24)[2019-12-31]. https://www.nasa.gov/press-release/nasa-s-insightlander-captures-audio-of-first-likely-quake-on-mars.
[37] ESA. First results from the ExoMars Trace Gas Orbiter[EB/OL]. (2019-04-10)[2019-12-31]. http://www.esa.int/Our_Activities/Human_and_Robotic_Exploration/Exploration/ExoMars/First_results_from_the_ExoMars_Trace_-Gas_Orbiter.
[38] NASA. NASA's MAVEN maps winds in the Martian upper atmosphere that mirror the terrain below and gives clues to Martian climate[EB/OL]. (2019-12-13)[2019-12-31]. https://www.nasa.gov/press-release/goddard/2019/mars-wind-map.
[39] Science. Special Issue-Cassini's Grand Finale[EB/OL]. (2019-06-14)[2019-12-31]. https://science.sciencemag. org/content/364/6445.
[40] JPL. New organic compounds found in Enceladus ice grains[EB/OL]. (2019-10-02)[2019-12-31]. https://www.jpl.nasa.gov/news/news.php?feature=7510.
[41] ESA. Global geologic map of Titan[EB/OL]. (2019-11-25)[2019-12-31]. http://www.esa.int/ESA_Multimedia/Images/2019/11/Global_geologic_map_of_Titan.
[42] NASA. NASA's Dragonfly will fly around Titan looking for origins, signs of life[EB/OL]. (2019-06-28)[2019-12-31]. https://www.nasa.gov/press-release/nasas-dragonflywill-fly-around-titan-looking-for-origins-signs-of-life.
[43] JAXA. Hayabusa2 latest status, the successful first touchdown[EB/OL]. (2019-02-22)[2019-12-31]. http://global.jaxa.jp/press/2019/02/20190222a.html.
[44] JAXA. Operational status of asteroid explorer Hayabusa2's SCI[EB/OL]. (2019-04-05)[2019-12-31]. https://global.jaxa.jp/press/2019/04/20190405a.html.
[45] JAXA. Success of the second touchdown of asteroid explorer "Hayabusa 2"[EB/OL]. (2019-07-11)[2019-12-31]. https://global.jaxa.jp/press/2019/07/20190711a.html.
[46] JAXA. Hayabusa2 departs from Ryugu[EB/OL]. (2019-11-13)[2019-12-31]. https://global.jaxa.jp/press/2019/11/20191113a.html.
[47] New Horizons. New Horizons successfully explores Ultima Thule[EB/OL]. (2019-01-01)[2019-12-31]. http://pluto.jhuapl.edu/News-Center/News-Article.php?page=201-90101.
[48] Stern S A, Weaver H A, Spencer J R, et al. Initial results from the New Horizons exploration of 2014 MU69, a small Kuiper Belt object[J]. Science, 2019, 364(6441):eaaw9771.
[49] NASA. X marks the spot:NASA selects site for asteroid sample collection[EB/OL]. (2019-12-13)[2019-12-31]. https://www.nasa.gov/press-release/x-marks-the-spotnasa-selects-site-for-asteroid-sample-collection/.
[50] ESA. ESA's new mission to intercept a comet[EB/OL]. (2019-06-19)[2019-12-31]. http://www.esa.int/Our_Activities/Space_Science/ESA_s_new_mission_to_intercept_a_comet.
[51] US National Laboratory. 2019 ISSRDC Award:Generating high-precision X-ray measurements contributing to multiple discoveries and investigations[EB/OL]. (2019-08-28)[2019-12-31]. https://www.issnationallab.org/blog/2019-issrdc-award-generating-high-precision-x-raymeasurements-contributing-to-multiple-discoveriesand-investigations/.
[52] US National Laboratory. 2019 ISSRDC Award:Development of nanochannel technology for controlled delivery of therapeutics[EB/OL]. (2019-08-28)[2019-12-31]. https://www.issnationallab.org/blog/2019-issrdc-awarddevelopment-of-technology-for-controlled-delivery-oftherapeutics/.
[53] US National Laboratory. 2019 ISSRDC Award:Identifying long-distance signaling methods plants use to sense stresses and trigger response[EB/OL]. (2019-08-28)[2019-12-31]. https://www.issnationallab.org/blog/2019-issrdc-award-identifying-long-distance-signaling-methods-plants-use-to-sense-stresses-and-trigger-response/.
[54] US National Laboratory. 2019 ISSRDC Award:Leadership of efforts resulting in a comprehensive theoretical and experimental microgravity foundation for in-space cryogenic storage tank design[EB/OL]. (2019-08-29)[2019-12-31]. https://www.issnationallab.org/blog/2019-issrdc-award-leadership-of-efforts-resulting-in-a-comprehensive-theoretical-and-experimental-microgravityfoundation-for-in-space-cryogenic-storage-tank-design/.
[55] US National Laboratory. 2019 ISSRDC Award:Development of cloud-based system for on-demand analysis of large data sets generated by remote sensing instrumentation and on-orbit imagery[EB/OL]. (2019-08-30)[2019-12-31]. https://www.issnationallab.org/blog/2019-issrdc-award-development-of-cloud-based-system-for-on-demand-analysis-of-large-data-sets-generated-by-remote-sensing-instrumentation-and-on-orbit-imagery/.
[56] US National Laboratory. 2019 ISSRDC Award:Demonstration of patented hardware for in-space manufacture of ZBLAN fibers[EB/OL]. (2019-09-03)[2019-12-31]. https://www.issnationallab.org/blog/2019-issrdc-awarddemonstration-of-patented-hardware-for-in-spacemanufacture-of-zblan-fibers/.
[57] NASA. What we learned from the space station in 2019[EB/OL]. (2019-12-24)[2019-12-31]. https://www.nasa.gov/mission_pages/station/research/news/what-we-learned-from-space-station-2019.
[58] Whitehouse. Remarks by vice president Pence at the fifth meeting of the National Space Council|Huntsville, AL[EB/OL]. (2019-03-26)[2019-12-31]. https://www.whitehouse.gov/briefings-statements/remarks-vice-president-pence-fifth-meeting-national-space-councilhuntsville-al/.
[59] NASA. Forward to the Moon:NASA's strategic plan for human exploration[EB/OL]. (2019-04-09)[2019-12-31]. https://www.nasa.gov/sites/default/files/atoms/files/america_to_the_moon_2024_artemis_20190523.pdf.
[60] Whitehouse. National space weather strategy and action plan[EB/OL]. (2019-03-01)[2019-12-31]. https://www.whitehouse.gov/wp-content/uploads/2019/03/National-Space-Weather-Strategy-and-Action-Plan-2019.pdf.
[61] UK Space Agency. UK and USA join forces to launch ‘space weather’ service[EB/OL]. (2019-06-04)[2019-12-31]. https://www.gov.uk/government/news/uk-and-usajoin-forces-to-launch-space-weather-service.
[62] LPI. Roadmap for Venus exploration[EB/OL]. (2019-10-01)[2019-12-31]. https://www.lpi.usra.edu/vexag/reports/roadmap_w_cover_092919.pdf.
[63] ESA. Voyage 2050:Long-term planning of the esa science programme[EB/OL]. (2019-03-04)[2019-12-31]. https://www.cosmos.esa.int/web/voyage-2050.
[64] ESA. Call for membership of topical teams for the Voyage 2050 long-term plan in the ESA Science Programme[EB/OL]. (2019-03-01)[2019-12-31]. https://www.cosmos.esa.int/documents/1866264/1866292/Call_for_Voyage_2050_Topical_Team_members.pdf/18bff3d0-b754-cf75-bb7d-95a1fb65c301.
[65] ESA. Space19+, the ESA Council at Ministerial level, in Seville, Spain[EB/OL]. (2019-11-27)[2019-12-31]. https://www.esa.int/ESA_Multimedia/Images/2019/11/Space19_the_ESA_Council_at_Ministerial_level_in_Seville_Spain2.
[66] ESA. No 22-2019:ESA ministers commit to biggest ever budget[EB/OL]. (2019-11-28)[2019-12-31]. https://www.esa.int/Newsroom/Press_Releases/ESA_ministers_commit_to_biggest_ever_budget.
[67] РАН. Решение НТС-СКРАН по вопросу:Концепция российской комплексной программы исследования и освоения Луны[EB/OL]. (2019-2-20)[2019-12-31]. http://sovet.cosmos.ru/sites/default/files/%D0%A0%D0%B5%D1%88%D0%B5%D0%BD%D0%B8%D0%B5%20%D0%9D%D0%A2%D0%A1-%D0%A1%D0%9A%D0%A0%D0%90%D0%9D.pdf.
[68] 宇宙航空研究開発機構. 宇宙科学·探査ロードマッ プについて[EB/OL]. (2019-05-22)[2019-12-31]. https://www8.cao.go.jp/space/comittee/27-kiban/kiban-dai47/pdf/siryou2-1-1.pdf.
[69] 俄罗斯卫星通讯社. 印度空间研究组织主席:印度计划在2030年前研制出自己的空间站[EB/OL]. (2019-06-13)[2019-12-31]. http://sputniknews.cn/science/201906-131028747979/.
[70] IndianExpress. Four chosen for manned mission to space, Chandrayaan-3 in 2020 or 2021:ISRO[EB/OL]. (2020-01-02)[2020-01-02]. https://indianexpress.com/article/technology/science/chandrayaan-3-isro-gaganyaank-sivan-6195411/.
[71] NASA. Multilateral Coordination Board joint statement[EB/OL]. (2019-03-06)[2019-12-31]. https://www.nasa.gov/feature/multilateral-coordination-board-joint-statement.
[72] 中国载人航天. 中国载人航天工程办公室与联合国外空司发布联合国/中国围绕中国空间站开展空间科学实验第一批入选项目[EB/OL]. (2019-06-12)[2019-12-31]. http://www.cmse.gov.cn/art/2019/6/12/art_22_33157.html.
[73] 中国科学院国家空间科学中心. 我国首颗空间引力波探测技术实验卫星——"太极一号"第一阶段在轨测试任务顺利完成[EB/OL]. (2019-09-20)[2019-12-31]. http://www.nssc.ac.cn/xwdt2015/xwsd2015/201909/t20190920_5393589.html.
[74] Roscosmos. Spektr-RG put into orbit[EB/OL]. (2019-07-13)[2019-12-31]. https://www.roscosmos.ru/26563/.
[75] ESA. Liftoff for Cheops, ESA's exoplanet mission[EB/OL]. (2019-12-18)[2019-12-31]. http://www.esa.int/Science_Exploration/Space_Science/Cheops/Liftff_for_Cheo-ps_ESA_s_exoplanet_mission.
[76] NASA. ICON begins study of Earth's ionosphere[EB/OL]. (2019-10-10)[2019-12-31]. https://blogs.nasa.gov/icon/2019/10/10/icon-begins-study-of-earths-ionosphere/.
[77] NASA. ICON mission overview[EB/OL]. (2018-10-18)[2019-12-31]. https://www.nasa.gov/content/icon-mission-overview.
[78] NASA. OCO-3 ready to extend NASA's study of carbon[EB/OL]. (2019-05-09)[2019-12-31]. https://www.nasa.gov/feature/jpl/oco-3-ready-to-extend-nasas-study-ofcarbon.
[79] NASA. NASA's OCO-3 measures how plants grow-and glow[EB/OL]. (2019-04-10)[2019-12-31]. https://www.nasa.gov/feature/jpl/nasas-oco-3-measures-how-plantsgrow-and-glow.